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Ultrasonium
YC S26Boston, US · Founded 2026 · 5 employees · 9 known investors
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Ultrasonium is a company focused on materials science and advanced manufacturing, developing engineering systems.
Advanced ManufacturingDeep TechHardwareNew MaterialsRoboticsHard TechManufacturingUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S26)
Ultrasonium was founded in 2026 by Jack Qiu, Hunter Brown, Chris Carter, and Alexander Urbanski.
JQ
Jack QiuCEOHe holds a PhD in EECS from MIT—where his research covered quantum computing, cryogenics, signal processing, hardware control, and advanced manufacturing—and a BA in Physics from UC Berkeley, and previously conducted research at Lawrence Berkeley National Laboratory, with a first-authored Nature Physics paper produced through work with MIT Lincoln Lab on IARPA and DoD programs.
HB
Hunter BrownCo-Founder & Vice President of EngineeringHunter Brown is Founder and VP of Engineering at Ultrasonium, a materials science and advanced manufacturing company building engineering systems. He began his R&D career at national labs, contributing to the ITER fusion reactor and CERN through work at NHMFL and LBNL, and has led fabrication and design teams in both research and industry.
CC
Chris CarterFounderChris Carter is Founder and Chief Scientific Officer of Ultrasonium, which develops materials science and advanced manufacturing engineering systems. On leave from a PhD program at MIT researching metal matrix materials and heat treatments for 3D-printed metals, he previously worked on additively manufactured steel at Argonne National Laboratory and led metal melt pool simulations for a NASA-funded multi-university project; he holds an MS in Mechanical Engineering from MIT and a BS from the University of South Carolina.
AU
Alexander UrbanskiCo-FounderCo-founder and Chief Research Officer of Ultrasonium, a materials science and advanced manufacturing company. He previously founded the DOE-funded nuclear startup Bay State Energy, invented the Nuclear Thermoelectric Generator, studied physics at Boston University, and was the first hire at Phase3D, where he developed and commercialized metals manufacturing technology.
Investors · 9
Rebel Fundlisted by Rebel FundSan Francisco · $100K – $5M
How we know: Y Combinator's founder network · rebelfund.vc · Not right? Tell us
Y Combinatorlisted by Y CombinatorSan Francisco · $500K
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
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Amino CapitalreportedPalo Alto · $100K – $10M
How we know: Y Combinator's founder network · Not right? Tell us
Blindspot Ventures Management CoreportedBoston
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Brave CapitalreportedSan Rafael
How we know: Y Combinator's founder network · Not right? Tell us
Glasswing VenturesreportedBoston · $100K – $5M
How we know: Y Combinator's founder network · open dataset · 5k.vc investor directory · Not right? Tell us
Maiora Rebel Venturesreported
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Multifaceted CapitalreportedSeattle
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Ventioneers CapitalreportedOakville
How we know: Y Combinator's founder network · Not right? Tell us
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Companies working in the same space as Ultrasonium.
Legal entities · 1
corporate structureULTRASONIUM INC.
In the news
Frequently asked questions
- What does Ultrasonium do?
- Ultrasonium is a company focused on materials science and advanced manufacturing, developing engineering systems.
- Who founded Ultrasonium?
- Ultrasonium was founded by Jack Qiu, Hunter Brown, Chris Carter, Alexander Urbanski in 2026.
- Who are Ultrasonium's investors?
- Ultrasonium's investors include Rebel Fund, Y Combinator, Amino Capital, Blindspot Ventures Management Co, Brave Capital, Glasswing Ventures, Maiora Rebel Ventures, Multifaceted Capital and 1 more.
- Where is Ultrasonium headquartered?
- Ultrasonium is headquartered in Boston, US.